A. 15.00cm³ B. 6.30cm³ C. 0.63cm³ D. 0.06cm³ Correct Answer: Option B - 6.30cm³ Explanation % volume of O2 in…
A. Distillation B. Condensation C. Extraction D. Evaporation Correct Answer: Option A - Distillation
A. Cooling B. Wetting C. Melting D. Drying Correct Answer: Option D - Drying
A. Pouring detergents B. Passing of ships through the area C. Pouring organic solvents D. Evaporation Correct Answer: Option A…
A. It increase with increase in pressure B. It increase at constant temperature C. It increase with increase in temperature…
A. charge on electron B. positive rays C. charge to mass ratio D. cathode rays Correct Answer: Option A -…
A. 32 B. 20 C. 14 D. 12 Correct Answer: Option A - 32 Explanation XO2 → 32 * 2…
A. γ - rays B. β - rays C. α - rays D. infrared rays Correct Answer: Option A =…
A. negative ion B. positive ion C. neutral atom of non-metal D. neutral atom of a metal Correct Answer: Option…
A. 36.0g B. 8.0g C. 72.0g D. 16.0g Correct Answer: Option C - 72.0g Explanation 2H2 + O2 → 2H2O…